package com.principle.adapter.classadapter;
//适配器类
public class VoltageAdapter extends Voltage220V implements IVoltage5V{
    @Override
    public int output5V() {
        //获取到 220V 电压
        int srcV = output220V();
        int dstV = srcV/44;//转成5V
        return dstV;
    }
}
